Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 01-20-2025.

Submitted and Maintained by Bill Marshall, bill.marshall@verizon.net.


Additions and corrections appreciated (especially with sources). My current list of sources is here. Homepage here.

Index of Medieval and Ancient Lines is here, notable people here, and Gedcom available to be downloaded.

Index of Modern Lines (immigrants to America and their descendants) is here, notable people here, and Gedcom here.


Individual Page


Family:
Bibliography
  1. Richardson, Douglas, Royal Ancestry. Salt Lake City, Utah: Douglas Richardson, 2013. NYPL JFF 16-1184 v1-5 Information from this source tagged as [Ref: Richardson RoyalAnc v2p[0-9]*].

Sources for birth and parent Information
parents:
[Ref: Richardson RoyalAnc v2p318]
Research Notes:
Knt [Ref: Richardson RoyalAnc v2p318]



Pedigree of Sir William De COURTENAY
                   /-----Renaud De COURTENAY
          /-----Reginald De COURTENAY
         |         \-----(Unk)
 /-----Sir Robert De COURTENAY, Baron Of Oakhampton
|        |         /-----William De COURCY
|         \-----Hawise De COURCY
|                 |                           /-----Guitmond
|                 |                  /-----William D'AVRANCHES
|                 |         /-----Robert D'AVRANCHES, Lord Of Oakhampton
|                 |        |        |                           /-----Godfrey Count Of Brionne
|                 |        |        |                  /-----Gilbert Count Of Brionne
|                 |        |        |         /-----Baldwin Fitz Gilbert, Baron Of Okehampton
|                 |        |         \-----Matilda
|                 |        |                  \-----Emma
|                  \-----Maud D'AVRANCHES, Lady Du Sap In Normandy
|                          |                  /-----John De Dol-Combour
|                          |         /-----Gelduin Of Dol
|                          |        |         \-----Godehildis De FOUGERES
|                           \-----Hawise Of Dol
|                                   |         /-----William L'Ismaelite De TINTENIAC
|                                    \-----Noga De TINTENIAC
Sir William De COURTENAY
|                                    /-----Baldwin De REVIERS
|                                   |        |         /-----Osmund De Centumvillis, Vicount Of Vernon
|                                   |         \-----(Unk Dau) De Centumvillis
|                                   |                 |         /-----Hugh Bishop Of Coutances
|                                   |                  \-----Satselina
|                                   |                           \-----(Unk Dau)
|                           /-----Richard De REVIERS, Seigneur Of Reviers, Vernon,
|                  /-----Baldwin De REVIERS, Earl Of Devon
|                 |        |         /-----William PEVEREL, Baron Of Peverel
|                 |         \-----Adelise PEVEREL
|                 |                  \-----Adeline
|         /-----William De REVIERS, Earl Of Devon
|        |        |         /-----Nigel
|        |         \-----Adelise
|        |                 |         /-----Alvred Lord Of Barnstaple And Totnes
|        |                  \-----(Unk Dau) De TOTNES
 \-----Mary De VERNON
         |                                                      /-----Thorold Seigeur Of Pont-Audemer
         |                                             /-----Humphrey De Vieilles
         |                                            |         \-----Aveline
         |                                    /-----Roger De Beaumont
         |                                   |         \-----Aubreye De La Haie
         |                           /-----Sir Robert De Beaumont, Earl Of Leicester
         |                          |        |                  /-----Hugo I Count Of Meulen
         |                          |        |         /-----Waleran Count Of Meulan
         |                          |        |        |         \-----Oda Of Valois
         |                          |         \-----Adelise Of Meulan
         |                          |                  \-----Ode
         |                  /-----Waleran De BEAUMONT, Earl Of Worcester
         |                 |        |                           /-----Robert II The Pious King Of France
         |                 |        |                  /-----Henry I King Of France
         |                 |        |                 |         \-----Constance Of Provence
         |                 |        |         /-----Hugh Magnus Duke Of France
         |                 |        |        |        |         /-----Jaroslav I Grand Prince Of Kiev
         |                 |        |        |         \-----Anne Of Kiev
         |                 |        |        |                  \-----Ingegard
         |                 |         \-----Isabel De Vermandois, Countess Of Leicester
         |                 |                 |                  /-----Eudes Count Of Vermandois
         |                 |                 |         /-----Herbert IV Count Of Vermandois
         |                 |                 |        |         \-----Parvie
         |                 |                  \-----Adelaide De Vermandois, Countess Of Vermandois
         |                 |                          |         /-----Raoul III The Great Count Of Valois And Vexin
         |                 |                           \-----Adela De Valois
         |                 |                                    \-----Adela
         |         /-----Sir Robert De DUNSTANVILLE, Count De Meulan
         |        |        |                                    /-----William Count Of Hainault
         |        |        |                           /-----Amauri III De MONTFORT
         |        |        |                          |         \-----(Unk) Heiress Of Montfort And Epernon
         |        |        |                  /-----Simon I De MONTFORT, Seigneur Of Montfort L'Amau
         |        |        |                 |        |         /-----Guilaume De Gommetz
         |        |        |                 |         \-----Bertrade De GOMMETZ
         |        |        |                 |                  \-----Alberade
         |        |        |         /-----Amauri IV De MONTFORT, Count Of Evereux
         |        |        |        |        |                  /-----Robert Count Of Evereux, Archbishop Of Rouen
         |        |        |        |        |         /-----Richard Count Of Evereux
         |        |        |        |        |        |         \-----Herleva
         |        |        |        |         \-----Agnes Of Evereux
         |        |        |        |                  \-----Godehildie
         |        |         \-----Agnes De MONTFORT
         |        |                 |                  /-----Adam Of Garlande
         |        |                 |         /-----Anscau De Garlande, Seneschal Of France
         |        |                  \-----Agnes De Garlande
         |        |                           \-----(Unk) De Montmorency
          \-----Maud De BEAUMONT
                  |                                             /-----Richard II The Good Duke Of Normandy
                  |                                    /-----Robert I The Devil Duke Of Normandy
                  |                                   |         \-----Judith Of Brittany
                  |                           /-----William The Conqueror King Of England
                  |                          |        |         /-----Fulbert Of Falaise
                  |                          |         \-----Herleve Of Falaise
                  |                          |                  \-----Duxia
                  |                  /-----Henry I Beauclerc King Of England
                  |                 |        |                  /-----Baldwin IV The Bearded Count Of Flanders
                  |                 |        |         /-----Baldwin V Count Of Flanders
                  |                 |        |        |         \-----Ogive Of Luxembourg
                  |                 |         \-----Maud Of Flanders
                  |                 |                 |         /-----Robert II The Pious King Of France
                  |                 |                  \-----Adelaide Of France
                  |                 |                           \-----Constance Of Provence
                  |         /-----Reginald De DUNSTANVILLE, Earl Of Cornwall
                  |        |        |                  /-----Corbet
                  |        |        |         /-----Robert CORBET, Lord of Alcester
                  |        |         \-----Sibyl CORBET
                   \-----Maud FITZ ROY
                           |                  /-----Richard Fitz Turold, Baron Of Cardinham
                           |         /-----William Fitz Richard, Baron Of Cardinham
                           |        |         \-----Emma
                            \-----Mabel
                                     \-----Aanor



Descendants of Sir William De COURTENAY
1. Sir William De COURTENAY